Specifications

Appendix B Quick Reference 29
· STANDARD/ ENHANCED Mode
STANDARD MODE: In this mode, the I/O addresses and IRQ levels
of each port are set to their default values, as shown below. (Disable
BIOS settings of on-board COM1 ~ COM4 ports)
ENHANCED MODE: In this mode, the I/O addresses and IRQ levels
of each port are set as shown below. Make sure that the I/O addresses
of the original system (refer to Appendix A) will never conflict with
the PCL-846/847 card's [Base Address] ~ [Base Address + 1F].
Port No. I/O Address
COM Port
No.
IRQ Level (*)
Independent IRQ Share IRQ
Port 1 3F8h COM1 JP11 JP11
Port 2 2F8h COM2 JP12 JP11
Port 3 3E8h COM3 JP13 JP11
Port 4 2E8h COM4 JP14 JP11
Port No. I/O Address
IRQ Level (*)
Independent IRQ Share IRQ
Port 1
Base Address
+ 00h
JP11 JP11
Port 2
Base Address
+ 08h
JP12 JP11
Port 3
Base Address
+ 10h
JP13 JP11
Port 4
Base Address
+18h
JP14 JP11